<template>
  <div class="goods">
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="10">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="searchGoods"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="searchGoods"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="5">
          <el-button type="primary" @click="goToAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 商品列表区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(￥)"
          prop="goods_price"
          width="120px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="90px"
        ></el-table-column>
        <el-table-column label="添加时间" width="200px">
          <template v-slot="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="200px">
          <template v-slot="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"
              >编辑</el-button
            >
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeGoodById(scope.row.goods_id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 商品请求参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      // 商品总数
      total: 0
    }
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      this.goodsList = res.data.goods
      this.total = res.data.total
      console.log(this.goodsList)
    },
    // 监听每页显示改变时的处理函数
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 改变页码时的处理函数
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 点击搜索商品
    searchGoods() {
      this.getGoodsList()
    },
    // 通过ID删除商品
    async removeGoodById(goodsId) {
      const confirmResult = await this.$confirm('是否删除该商品', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch((err) => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除商品')
      }
      const { data: res } = await this.$http.delete(`goods/${goodsId}`)
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }
      this.$message.success(res.meta.msg)
      this.getGoodsList()
    },
    // 点击跳转添加商品页
    goToAddPage() {
      this.$router.push('/goods/add')
    }
  },
  created() {
    this.getGoodsList()
  }
}
</script>

<style lang="less" scoped>
</style>
